<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="icon" href="./favicon.ico?v=2" />
</head>
<body>
To refresh your website’s favicon you can force browsers to download a new version by adding ?v=2 to the filename.
This is especially helpful in production to make sure the users get the new version.
</body>
</html>